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Finding the Fourth Proportional to 76,625.58, 114,933.60 and 36,672.94

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Solution

The fourth proportional to 76,625.58, 114,933.60 and 36,672.94 is: 55,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,625.58 : 114,933.60 = 36,672.94 : x
  2. Step 2: Convert to fraction form
    76,625.58/114,933.60 = 36,672.94/x
  3. Step 3: Cross multiply
    76,625.58x = 114,933.60 × 36,672.94
  4. Step 4: Simplify right side
    76,625.58x = 4,214,953,016.78
  5. Step 5: Solve for x
    x = 4,214,953,016.78/76,625.58
  6. Step 6: Final answer
    x = 55,007.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.